000 WTPZ41 KNHC 151445 TCDEP1 HURRICANE ELIDA DISCUSSION NUMBER 15 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL EP062008 ISSUED BY THE HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD 800 AM PDT TUE JUL 15 2008 LATEST SATELLITE IMAGERY CONTINUES TO SUGGEST THAT ELIDA IS EXPERIENCING EASTERLY SHEAR WITH ASSOCIATED COLD CLOUD TOPS AND UPPER-LEVEL OUTFLOW BECOMING INCREASINGLY LESS SYMMETRIC. WITH SUBJECTIVE DVORAK CLASSIFICATIONS NOW SPLIT BETWEEN T4.0 AND T4.5...OPTED TO SHOW SLIGHT WEAKENING IN ELIDA BY REDUCING THE INITIAL INTENSITY TO 70 KT. IN TERMS OF INTENSITY...THE FORECAST REMAINS WEIGHTED TOWARDS THE SHIPS AND LGEM MODELS DUE TO THE FACT THAT THE STORM WILL BE MOVING OVER PROGRESSIVELY COOLER WATERS. ELIDA SHOULD CONTINUE ON A GENERAL WESTWARD HEADING FOR MUCH OF THE PERIOD. AN UPPER LEVEL RIDGE OVER NORTHERN MEXICO IS FORECAST TO BUILD WESTWARD WITH TIME...WHICH WILL KEEP ELIDA FROM MOVING TOO FAR TOWARD THE NORTH. UNTIL THE RIDGE GETS INTO PLACE...ALLOWED FOR A LITTLE IN THE WAY OF NORTHWARD MOTION IN THE SHORT TERM. TOWARD THE END OF THE FORECAST PERIOD...THE TRACK MODELS DIFFER IN THEIR FORWARD SPEED AS ELIDA BECOMES A PROGRESSIVELY SHALLOWER SYSTEM. THE NEW OFFICIAL TRACK FORECAST IS VERY SIMILAR TO THE PREVIOUS ONE THROUGH 72 HOURS BUT IS SLIGHTLY FASTER AT DAYS 4 AND 5. FORECAST POSITIONS AND MAX WINDS INITIAL 15/1500Z 16.4N 112.3W 70 KT 12HR VT 16/0000Z 16.6N 114.0W 70 KT 24HR VT 16/1200Z 16.9N 116.5W 65 KT 36HR VT 17/0000Z 17.3N 119.0W 60 KT 48HR VT 17/1200Z 17.6N 121.8W 55 KT 72HR VT 18/1200Z 17.8N 126.5W 45 KT 96HR VT 19/1200Z 17.7N 130.9W 35 KT 120HR VT 20/1200Z 17.5N 134.9W 25 KT $$ FORECASTER BANN